* {
  padding: 0;
  margin: 0;
}
li {
  list-style: none;
}
html,
body {
  width: 100%;
  height: 100%;
  font-size: 62.5%;
  font-family: "微软雅黑";
  background: #f0f0f0;
}
.header {
  display: flex;
  height: 1.30666667rem;
  background: #27c1b4;
  align-items: center;
  font-size: 0.42666667rem;
  padding-top: 0.26666667rem;
  color: #fff;
}
.header .left {
  width: 4em;
  text-align: center;
}
.header .center {
  flex: 1;
  text-align: center;
}
.header .right {
  width: 4em;
  text-align: center;
}
.header_top {
  height: 1rem;
  background: #fff;
}
.header_top ul {
  height: 1rem;
  align-items: center;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-around;
  justify-content: space-around;
  width: 100%;
}
.header_top ul li:nth-child(1) {
  color: #27c1b4;
}
section .pfd {
  margin-top: 6.21333333rem;
  text-align: center;
}
section .pfd p {
  font-size: 0.29333333rem;
  color: #27c1b4 ;
}
section .hint_kong {
  display: none;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  background: rgba(149, 149, 149, 0.5);
}
section .hint {
  display: none;
  width: 7.36rem;
  height: 4.37333333rem;
  background: #fff;
  border-radius: 10px;
  position: absolute;
  z-index: 10;
  top: 30%;
  left: 15%;
}
section .hint ul {
  height: 1.01333333rem;
  border-bottom: 1px solid #ccc;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 0.4rem;
  padding-right: 0.30666667rem;
  font-size: 0.33333333rem;
}
section .hint p {
  padding-left: 5%;
  padding-right: 5%;
  font-size: 0.30666667rem;
  line-height: 0.73333333rem;
  letter-spacing: 3px;
}
section .hint .theAnswerYesBtn,
section .hint .theAnswerNoBtn {
  width: 1.2rem;
  height: 0.56rem;
  border: 1px solid #27c1b4;
  border-radius: 10px;
  background: none;
  margin-top: 0.26666667rem;
}
section .hint .theAnswerYesBtn {
  margin-left: 2.01333333rem;
}
section .hint .theAnswerNoBtn {
  margin-left: 1.01333333rem;
}
footer {
  width: 100%;
  position: fixed;
  bottom: 0;
}
footer button {
  width: 100%;
  height: 1.17333333rem;
  background: #27c1b4;
  color: #fff;
  font-size: 0.33333333rem;
  border: none;
}
